On which song by other artists did Legend make an uncredited guest appearance?
Jay-Z's "Encore"
Taylor Swift's "Lover"
Beyoncé's "Listen"
Justin Bieber's "Love Yourself"
Answer
Legend's uncredited guest appearance can be found on Jay-Z's "Encore," where he sings the soulful hook on the track, blending perfectly with Jay-Z's verses and adding depth to the song's message about personal growth and overcoming obstacles.